Element block pseudo-element :before generated with padding 0px display block font-size 16px margin 0px transform z-index auto font-weight normal position static transition cursor default line-height 1 text-shadow 0px 0px 20px rgba(255,255,255, 0.5) background box-sizing content-box float none border-radius overflow visible width 300px outline none opacity 1 height 300px border 0px rgba(0,0,0,1) solid box-shadow